1402632431 has 8 divisors (see below), whose sum is σ = 1407278544. Its totient is φ = 1397995200.

The previous prime is 1402632403. The next prime is 1402632433. The reversal of 1402632431 is 1342362041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1402632431 - 2⁶ = 1402632367 is a prime.

It is a super-2 number, since 2×1402632431² = 3934755472985939522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1402632431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402632433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453416 + ... + 456498.

It is an arithmetic number, because the mean of its divisors is an integer number (175909818).

Almost surely, 2^1402632431 is an apocalyptic number.

1402632431 is a deficient number, since it is larger than the sum of its proper divisors (4646113).

1402632431 is an equidigital number, since it uses as much as digits as its factorization.

1402632431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4441.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1402632431 is about 37451.7346861264. The cubic root of 1402632431 is about 1119.3896629436.

Adding to 1402632431 its reverse (1342362041), we get a palindrome (2744994472).

The spelling of 1402632431 in words is "one billion, four hundred two million, six hundred thirty-two thousand, four hundred thirty-one".